The Web Standards

Structural and Semantic Languages

• HTML 4.01
• XHTML 1.0
• XML 1.0
• HTML5 - W3C
• HTML5 - WhatWG

Presentation Languages

• CSS level 1
• CSS level 2.1
• CSS level 3

Object Models

• DOM level 1
• DOM Level 2
• DOM Level 3

Scripting Languages

• ECMAScript 262 (the standard version of JavaScript)

Additional Markup Languages

• Mathematical Markup Language (MathML) 1.01
• MathML 2.0